CVE-2024-27459 — Stack-based Buffer Overflow in Openvpn

CWE-121 — Stack-based Buffer OverflowCWE-787 — Out-of-bounds Write6 documents6 sources
Severity
7.8HIGHNVD
EPSS
5.4%
top 9.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
OpenvpnOpenvpn GUIDebian Openvpn
Timeline
PublishedJul 8
Latest updateMar 13

Description

The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶NVDopenvpn/openvpn2.6.0 — 2.6.10+1
▶CVEListV5openvpn/openvpn_gui2.6.9 and earlier

🔴Vulnerability Details

2
GHSA
GHSA-f6v5-hjxr-p24j: The interactive service in OpenVPN 2↗2024-07-08
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CVEList
CVE-2024-27459: The interactive service in OpenVPN 2↗2024-07-08
▶

📋Vendor Advisories

2
CISA ICS
Siemens SINEMA Remote Connect Client↗2025-03-13
▶
Debian
CVE-2024-27459: openvpn - The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send ...↗2024
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🕵️Threat Intelligence

1
Microsoft
Chained for attack: OpenVPN vulnerabilities discovered leading to RCE and LPE↗2024-08-08
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